Impeller



FIG. 1 is a perspective view of the impeller of this invention;

FIG. 2 is a top plan view of the impeller of FIG. 1;

FIG. 3, is a front view of the impeller of FIG. 1, with the back view being the same;

FIG. 4 is a left side view of the impeller of FIG. 1;

FIG. 5 is a right side view of the impeller of FIG. 1;

FIG. 6 is a sectional view of the impeller of FIG. 1 taken along section 6—6 of FIG. 2;

FIG. 7 is a sectional view of the impeller of FIG. 1 taken along section 7—7 of FIG. 2;

FIG. 8 is a sectional view of the impeller of FIG. 1 taken along section 8—8 of FIG. 2;

FIG. 9 is a sectional view of the impeller of FIG. 1 taken along section 9—9 of FIG. 2;

FIG. 10 is a sectional view of the impeller of FIG. 1 taken along section 10—10 of FIG. 2;

FIG. 11 is a sectional view of the impeller of FIG. 1 taken along section 11—11 of FIG. 2;

FIG. 12 is a sectional view of the impeller of FIG. 1 taken along section 12—12 of FIG. 2;

FIG. 13 is a sectional view of the impeller of FIG. 1 taken along section 13—13 of FIG. 2;

FIG. 14 is a sectional view of the impeller of FIG. 1 taken along section 14—14 of FIG. 2;

FIG. 15 is a perspective view of a cross-section of the impeller of this invention taken along section 10—10 of FIG. 2; and,

FIG. 16 is a bottom plan view of the impeller of FIG. 1.

The cross-sectional views in FIGS. 6-15 are taken at ten degree intervals, with the impeller being symmetric. 

The ornamental design for an impeller, as shown and described. 